TM 9-2320-366-20-3
TM 9-2320-366-20-3
TM 9-2320-366-20-3
TM 9-2320-366-20-3
TM 9-2320-366-20-3
2-2260
2-2260
2-2260
2-2260
2-2260
NO
YES
1.
START
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Notify DS Maintenance.
Faulty underlift hydraulic
system.
Faulty underlift electrical
system.
Do underlift cylinders
operate from wrecker
control panel only?
Underlift Operation Check
If underlift operates from
wrecker control panel and
not from remote, underlift
electrical system is faulty.
w7.
M1089 UNDERLIFT TELESCOPIC LIFT CYLINDER(S) DOES NOT OPERATE
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1).
Tools and Special Tools
Tool Kit, Gen Mech (Item 46, Appendix C)
Hydraulic oil level OK.
PTO OK.
Right 30K winch OK.
Folding cylinder OK.
Stinger cylinder OK.
Perform Electrical System
Troubleshooting (e137. All
Wrecker Functions Do Not Operate
From Wrecker Remote Control).